Mount to Coast

C135 Womens

Mount to Coast

C135 Womens

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Gender MensWomens
Shoe Size (Womens US)
Quantity
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Each July, the Badwater 135 gathers 100 men and women from across the globe to run across Death Valley and up three mountain ranges to high on Mount Whitney, widely considered the world's toughest foot race. The C135 is our special edition C1, tailored to that challenge.

Built for races in extreme heat, it pairs the C1's dual-layer CircleCELL™ midsole, crafted from sustainable materials, with an ultralight, breathable, fast-drying woven mesh upper engineered for the desert. A reflective midsole coating adds low-light visibility, and the TUNEDFIT™ dual lacing system tunes the forefoot and midfoot separately.

Specifications
Drop
6 mm
Heel 42 mm, Forefoot 36 mm
Fit
SmallAverageGenerous
Cushion
ResponsiveBalancedPlush
Stability
NeutralModerateStable
  • ActivityRoad
  • Best forRaces with extreme heat
  • MidsoleCircleCELL™
  • LacingTUNEDFIT™ Dual Lacing System
  • UpperUltralight, breathable and fast-drying woven mesh
  • WidthB
  • APMA SealNo

Selecting Your Mount to Coast Shoe Size:

EU sizing is the common scale across the range. Find your EU size and read across for the US equivalent in the range you are buying.

EU US Mens US Womens Foot Length, Mens (cm) Foot Length, Womens (cm)
35.5 - 5 - 22
36 - 5.5 - 22.5
36.5 - 6 - 23
37.5 - 6.5 - 23.5
38 - 7 - 24
38.5 - 7.5 - 24.5
39 - 8 - 25
40 7 8.5 25 25.5
40.5 7.5 9 25.5 26
41 8 9.5 26 26.5
42 8.5 10 26.5 27
42.5 9 10.5 27 27.5
43 9.5 11 27.5 28
44 10 - 28 -
44.5 10.5 - 28.5 -
45 11 - 29 -
46 11.5 - 29.5 -
47 12 - 30 -
47.5 12.5 - 30.5 -
48 13 - 31 -
49 14 - 32 -

Mount to Coast publish foot length separately for the men's and women's ranges, and the two differ by about 5 mm at the same EU size. Measure your foot, then read the foot length column for the range you are buying. If you are between sizes, choose the larger size for better comfort.

Measuring your foot

You will need a piece of paper that fits your foot and a writing instrument to mark your foot's length. Having someone to help you with this could also be beneficial.

  1. On a hard floor, put a piece of paper against a wall.
  2. Stand on the paper in socks you would normally wear with this type of shoe.
  3. Ensure the back of your heel is against the wall and that you're placing your weight evenly on your foot.
  4. Ask someone to make a mark on the paper at the end of your longest toe.
  5. Measure the distance from the edge of the paper that touched the wall where your heel was to the mark at your longest toe. That is the length of your foot.
  6. Repeat this process on your other foot.
  7. It's common to have one foot bigger than the other, so make sure you measure both feet. Pick your shoe size based on the length of your longer foot.
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C135 Womens

C135 Womens

$319.99
Technology & Features

CircleCELL

A supercritical foam made from renewable feedstock, delivering energy return on par with PEBA while lasting up to twice as long.

TUNEDFIT Dual Lacing System

A dual lacing system that adjusts forefoot and midfoot fit separately, so the shoe adapts as your feet swell and change over long distances.

Reflective Coating

A reflective midsole coating that boosts visibility for safer running after dark.

The Features You Will Really Love About The

C135 Womens

The top bragworthy features

CircleCELL

A supercritical foam made from renewable feedstock, delivering energy return on par with PEBA while lasting up to twice as long.

TUNEDFIT Dual Lacing System

A dual lacing system that adjusts forefoot and midfoot fit separately, so the shoe adapts as your feet swell and change over long distances.

Reflective Coating

A reflective midsole coating that boosts visibility for safer running after dark.

Endurance Edge Mount to Coast C135 women's running shoe in lime green with breathable mesh and dual lacing system.
Endurance Edge Mount to Coast C135 women's running shoe in light olive green with a reflective silver midsole.
Endurance Edge Mount to Coast C135 women's running shoes in light green with dual lacing system and mesh upper
Endurance Edge Mount to Coast C135 women's running shoes in pale yellow with silver reflective heel details

Why Mount to Coast shoes?

THE TECHNOLOGY

With Mount to Coast's own biomechanics lab they integrate innovative midsole materials inspired from various industries to engineer running shoes that offer exceptional comfort, support, energy return and durability for enduring the most extensive distances.

  • The TUNEDFIT™ Dual Lacing System offers a separately customizable fit for the forefoot and midfoot. Even if your feet swell in the pursuit of distance, you can still relax and enjoy the ride.

  • ZeroSag™ is a groundbreaking midsole insert co-developed with BASF. Originally used in the suspension systems of race cars, it guarantees extraordinary cushioning on the longest runs.

  • CircleCELL™ is the first high performance midsole material to be made of 100% renewable feedstock, including recycled organic waste. Through Mount to Coast's state-of-the-art supercritical foaming, CircleCELL™ offers PEBA-level energy return with almost double PEBA's running lifespan.

  • 3D Archrail™ is our revolutionary flexible support structure designed to manage complaints related to overpronation, enhance stability, and focus on forefoot alignment.

  • LightCELL™, Mount to Coast's proprietary midsole base material is a nitrogen-infused supercritical foam that is 50 percent lighter than EVA, while offering 45 percent more energy return.

  • GOFLOW™ is Mount to Coasts research-backed, industry-leading midsole geometry, designed to provide extra support to let you experience the natural, seamless flow from heel to toe.

  • VersaGrip™ is Mount to Coasts proprietary outsole technology engineered to deliver exceptional traction, grip, and durability across all terrains. Designed for your longest journeys, it guarantees optimal performance on every surface you encounter.